numeric of lengt 2; lower left corner coordinates (x, y) of the grid
n
integer of length 1 or 2, number of grid cells in x and y direction (columns, rows)
crs
object of class crs
what
character; one of: "polygons", "corners", or "centers"
Value
object of class sfc (simple feature geometry list column) with, depending on what,
rectangular polygons, corner points of these polygons, or center points of these polygons.